JP2018515898A5

JP2018515898A5 -

Info

Publication number: JP2018515898A5
Application number: JP2017561365A
Authority: JP
Filing date: 2016-05-24
Publication date: 2019-06-20
Anticipated expiration: 2036-05-24

Claims

A circuit board whose length in the first axial direction is longer than the length in the second axial direction;
A plurality of optical lenses arranged in the first axial direction on the circuit board;
At least one light emitting element disposed between the circuit board and the plurality of optical lenses,
The optical lens is
An incident surface around the light emitting element disposed on the circuit board;
A first light emitting surface that emits light incident on the incident surface upward;
A second light exit surface that emits the incident light in a lateral direction;
And a side projection projecting outward from the first region of the second light emission surface,
The side projection of the optical lens projects outward from the region of the circuit board,
The lighting module , wherein the side surface protruding portion has a height smaller than the thickness of the second light emitting surface, and is arranged to be adjacent to the first light emitting surface from the upper surface of the circuit board .

A plurality of circuit boards whose length in the first axial direction is longer than the length in the second axial direction;
A plurality of optical lenses arranged in the first axial direction on the plurality of circuit boards;
At least one light emitting element disposed between the circuit board and the plurality of optical lenses,
The optical lens is
An incident surface around the light emitting element arranged on the circuit board,
A first light emitting surface that emits light incident on the incident surface upward;
A second light exit surface that emits the incident light in a lateral direction;
A side projection projecting outward from the first region of the second light exit surface;
The side projection of each of the optical lenses is disposed outside the side of the circuit board,
The plurality of circuit boards may include first and second circuit boards arranged in the second axial direction,
The minimum distance between the second light exit surface of the optical lens disposed on the first circuit board and the second light exit surface of the optical lens disposed on the second circuit board is the first and second distances . narrow Ri by the minimum spacing between arranged optical lens on each of the circuit board,
The lighting module , wherein the side surface protruding portion has a height smaller than the thickness of the second light emitting surface, and is arranged to be adjacent to the first light emitting surface from the upper surface of the circuit board .

The lighting module according to claim 1, wherein a straight line horizontal to the outer side surface of the side surface protrusion is disposed in parallel with both side surfaces of the circuit board.

Each side protrusion of the plurality of optical lenses protrudes outward from any one of the first side and the second side of the circuit board,
The lighting module according to any one of claims 1 to 3, wherein the first and second side surfaces of the circuit board are disposed in the second axial direction.

The optical lens includes a plurality of support protrusions protruding toward the upper surface of the circuit board,
The lighting module according to claim 4, wherein a line segment connecting two support protrusions adjacent to the side protrusion among the plurality of support protrusions is disposed in the first axial direction.

The optical lens, viewed including the four support projections,
The lighting module according to claim 5, wherein the number of the optical lenses disposed on the circuit board is the same as the number of the side protrusions .

The lighting module according to claim 5, wherein the plurality of support protrusions have the same distance from an optical axis of the optical lens.

The first to fourth quadrants divided from the first axial direction perpendicular to the second axis and the second axis passing the center of the bottom of the optical lens and the center of the side projection are the plurality of support protrusions. The lighting module according to any one of claims 5 to 7, wherein the lighting module is disposed respectively.

The plurality of optical lenses are arranged in first and second axial directions orthogonal to each other,
Lighting module according to any one of the side projecting portions of each optical lens to output collision before SL in the second axial direction, claims 1 to 8.

The lighting module according to any one of claims 1 to 9 , wherein the outer side surface of the side surface protrusion has a roughness.

The lighting module according to any one of claims 1 to 10 , wherein a shape of an outer side surface of the side surface protrusion includes a circular shape or a polygonal shape.

Lighting module according to any one of the outer surface of the side protrusion with low have transmittance Ri by the transmittance of the second light emitting surface, according to claim 1 to claim 11.

Wherein the plurality of support protrusions, lighting module according to any one of the of the first and second axis perpendicular from the center of the optical lens is disposed closer to the first axis, claims 5 to 8 .

The side projection of each of the optical lenses is a first side projection or a second side projection that protrudes in the direction of the first or second side of the circuit board,
Satisfy the range of 100% to the difference is not 0% ratio between the circuit and the first side surface protrusions in the substrate and the second side projecting portions, according to any one of claims 1 to 13 Lighting module.

The optical lens includes a recess that is convex from the bottom surface,
The first light emitting surface has a spherical end surface.
The lighting module according to any one of claims 1 to 14, wherein the second light exit surface has an aspheric end surface.

The recess has a depth of 80% or more of a distance between an apex of the first light emission surface and the bottom surface.
Of the area of the first light emitting surface, the area overlapping in a direction perpendicular to the recess includes a curved surface convex in the same direction as the recess,
The second light emission surface has an emission angle smaller than the incident angle of the first light incident on the incident surface,
The lighting module according to claim 15 , wherein the bottom surface of the optical lens includes a total reflection surface.

A distance between the first and second circuit boards and a distance between optical lenses disposed on the first and second circuit boards are gradually increased in the first axial direction;
The lighting module according to claim 2, wherein the number of the side surface protrusions and the number of the optical lenses are the same on the circuit board .

In the optical lens disposed on the outermost circuit board among the plurality of circuit boards, the side surface projections protrude in opposite directions from each other,
The optical lens includes a plurality of support protrusions protruding to the circuit board,
Wherein any one adjacent to the front SL side surface protrusion of the plurality of support protrusions have a different shape from the shape of other supporting projections, lighting module of claim 2 or 17.